Answers

  • Brainly User
2014-11-22T21:57:57+05:30
The carbon dioxide which we breath out is the one molecule of the sugar in the cell , that is you give of 6 molecules of co2 and 6 of water . Thats what u breath out..
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2014-11-22T22:00:12+05:30
We exhale carbon dioxide because our body need oxygen for cellular respiration. so the excess amount of oxygen will be sent out in exhalation process. so carbon dioxide is  exhaled out.
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